Home / 976,784.80-1,464,010.80-408,164.80

Finding the Fourth Proportional to 976,784.80, 1,464,010.80 and 408,164.80

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Solution

The fourth proportional to 976,784.80, 1,464,010.80 and 408,164.80 is: 611,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,784.80 : 1,464,010.80 = 408,164.80 : x
  2. Step 2: Convert to fraction form
    976,784.80/1,464,010.80 = 408,164.80/x
  3. Step 3: Cross multiply
    976,784.80x = 1,464,010.80 × 408,164.80
  4. Step 4: Simplify right side
    976,784.80x = 597,557,675,379.84
  5. Step 5: Solve for x
    x = 597,557,675,379.84/976,784.80
  6. Step 6: Final answer
    x = 611,759.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.